Bubble acoustical scattering cross section under multi-frequency acoustic excitation

Shi Jie^{1, 2}, Yang De-sen^{1, 2}, Zhang Hao-yang^{1, 2, †}, Shi Sheng-guo^{1, 2}, Li Song^{1, 2}, Hu Bo^{1, 2}

(color online) Prediction of acoustical scattering cross section against equilibrium bubble radius under single-frequency, dual-frequency and tri-frequency acoustic excitations by analytical solution: (a) acoustic excitation versus different single-frequency, (b) acoustic excitation versus different dual-frequency, and (c) tri-frequency acoustic excitation. , ().